laser length standard

例句：

1. 1. The laser length standard is used to measure the distance between two points on the Earth'ssurface.
   激光长度标准用于测量地球表面两点之间的距离。
2. 2. The laser length standard is crucial for ensuring accurate measurements in engineering and manufacturing.
   激光长度标准对于确保工程和制造业中的精确测量至关重要。
3. 3. The laser length standard has become a standard tool for measuring the length of objects in various industries.
   激光长度标准已成为各行业测量物体长度的标准工具。